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Gene Symbol |
GRM1 |
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Aliases |
GPRC1A, MGLU1, MGLUR1, PPP1R85, SCA44, SCAR13 |
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Entrez Gene ID |
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Gene Name |
Glutamate metabotropic receptor 1 |
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Chromosomal Location |
6q24.3 |
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HGNC ID |
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Summary |
This gene encodes a metabotropic glutamate receptor that functions by activating phospholipase C. L-glutamate is the major excitatory neurotransmitter in the central nervous system and activates both ionotropic and metabotropic glutamate receptors. Glutamatergic neurotransmission is involved in most aspects of normal brain function and can be perturbed in many neuropathologic conditions. The canonical alpha isoform of the encoded protein is a disulfide-linked homodimer whose activity is mediated by a G-protein-coupled phosphatidylinositol-calcium second messenger system. This gene may be associated with many disease states, including schizophrenia, bipolar disorder, depression, and breast cancer. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]
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RefSeq DNA |
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RefSeq mRNA |
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e!Ensembl
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Gene Ontology (GO)
GO ID |
Ontology |
Function |
Evidence |
Reference |
GO:0007186 |
Biological process |
G protein-coupled receptor signaling pathway |
IDA |
24603153 |
GO:0007186 |
Biological process |
G protein-coupled receptor signaling pathway |
IMP |
28886343 |
GO:0007216 |
Biological process |
G protein-coupled glutamate receptor signaling pathway |
IBA |
21873635 |
GO:0007216 |
Biological process |
G protein-coupled glutamate receptor signaling pathway |
IMP |
24603153 |
GO:0007268 |
Biological process |
Chemical synaptic transmission |
TAS |
9076744 |
GO:0051482 |
Biological process |
Positive regulation of cytosolic calcium ion concentration involved in phospholipase C-activating G protein-coupled signaling pathway |
IMP |
24603153 |
GO:0051966 |
Biological process |
Regulation of synaptic transmission, glutamatergic |
IBA |
21873635 |
GO:0005887 |
Cellular component |
Integral component of plasma membrane |
IBA |
21873635 |
GO:0005887 |
Cellular component |
Integral component of plasma membrane |
IMP |
24603153 |
GO:0038037 |
Cellular component |
G protein-coupled receptor dimeric complex |
IDA |
24603153 |
GO:0038038 |
Cellular component |
G protein-coupled receptor homodimeric complex |
IPI |
10945991 |
GO:0098839 |
Cellular component |
Postsynaptic density membrane |
IBA |
21873635 |
GO:0004930 |
Molecular function |
G protein-coupled receptor activity |
TAS |
7476890 |
GO:0005515 |
Molecular function |
Protein binding |
IPI |
19084525 |
GO:0008066 |
Molecular function |
Glutamate receptor activity |
IBA |
21873635 |
GO:0008066 |
Molecular function |
Glutamate receptor activity |
IDA |
10945991, 24603153 |
GO:0008066 |
Molecular function |
Glutamate receptor activity |
TAS |
7476890 |
GO:0099530 |
Molecular function |
G protein-coupled receptor activity involved in regulation of postsynaptic membrane potential |
IBA |
21873635 |
GO:0099583 |
Molecular function |
Neurotransmitter receptor activity involved in regulation of postsynaptic cytosolic calcium ion concentration |
IBA |
21873635 |
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Protein Information |
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Protein Name |
Metabotropic glutamate receptor 1, glutamate receptor, metabotropic 1, protein phosphatase 1, regulatory subunit 85 |
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Function |
G-protein coupled receptor for glutamate. Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors. Signaling activates a phosphatidylinositol-calcium second messenger system. May participate in the central action of glutamate in the CNS, such as long-term potentiation in the hippocampus and long-term depression in the cerebellum (PubMed:24603153, PubMed:28886343, PubMed:7476890). May function in the light response in the retina (By similarity). |
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UniProt |
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PDB |
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